must tomb
Verbe régulier : tomb - tombed- tombed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must tomb
you must tomb
she must tomb
we must tomb
you must tomb
they must tomb 	I must be tombing
you must be tombing
she must be tombing
we must be tombing
you must be tombing
they must be tombing	I must have tombed
you must have tombed
she must have tombed
we must have tombed
you must have tombed
they must have tombed	I must have been tombing
you must have been tombing
she must have been tombing
we must have been tombing
you must have been tombing
they must have been tombing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't tomb
you mustn't tomb
she mustn't tomb
we mustn't tomb
you mustn't tomb
they mustn't tomb 	I mustn't be tombing
you mustn't be tombing
she mustn't be tombing
we mustn't be tombing
you mustn't be tombing
they mustn't be tombing	I mustn't have tombed
you mustn't have tombed
she mustn't have tombed
we mustn't have tombed
you mustn't have tombed
they mustn't have tombed	I mustn't have been tombing
you mustn't have been tombing
she mustn't have been tombing
we mustn't have been tombing
you mustn't have been tombing
they mustn't have been tombing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I tomb?
must you tomb?
must she tomb?
must we tomb?
must you tomb?
must they tomb? 	must I be tombing?
must you be tombing?
must she be tombing?
must we be tombing?
must you be tombing?
must they be tombing? 	must I have tombed?
must you have tombed?
must she have tombed?
must we have tombed?
must you have tombed?
must they have tombed? 	must I have been tombing?
must you have been tombing?
must she have been tombing?
must we have been tombing?
must you have been tombing?
must they have been tombing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I tomb?
mustn't you tomb?
mustn't she tomb?
mustn't we tomb?
mustn't you tomb?
mustn't they tomb? 	mustn't I be tombing?
mustn't you be tombing?
mustn't she be tombing?
mustn't we be tombing?
mustn't you be tombing?
mustn't they be tombing? 	mustn't I have tombed?
mustn't you have tombed?
mustn't she have tombed?
mustn't we have tombed?
mustn't you have tombed?
mustn't they have tombed? 	mustn't I have been tombing?
mustn't you have been tombing?
mustn't she have been tombing?
mustn't we have been tombing?
mustn't you have been tombing?
mustn't they have been tombing?